Alejandra Viviescas, PhD,  —

Alejandra has a PhD in Genetics from São Paulo State University (UNESP) and is currently working as a scientific writer, editor, and translator. As a writer for BioNews, she is fulfilling her passion for making scientific data easily available and understandable to the general public. Aside from her work with BioNews, she also works as a language editor for non-English speaking authors and is an author of science books for kids.

Articles by Alejandra Viviescas

High-frequency Brain Stimulation Is Superior for Parkinson’s Patients, Study Suggests

Repetitive transcranial magnetic stimulation (rTMS), given at high or low frequency, effectively reduces motor symptoms in Parkinson’s disease patients, but the effects of high-frequency rTMS are superior and last longer, a clinical trial shows. Investigators also found that the treatment is more effective in patients with akinetic-rigid Parkinson’s — those…

Stem Cell Transplants Could Significantly Improve Parkinson’s Treatment, Study Suggests

Cell replacement therapies in which dopamine-producing stem cells are transplanted into Parkinson’s disease patients could improve motor symptoms, reducing or eliminating the need for dopaminergic medicines, a study suggests. The study, “Repairing the Brain: Cell Replacement Using Stem Cell-Based Technologies,” was published in the Journal of …